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458282ff | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | /* $Id$ */ | |
17 | ||
702ab87e | 18 | /* History of cvs commits: |
19 | * | |
20 | * $Log$ | |
78881c42 | 21 | * Revision 1.26 2007/06/18 07:02:44 kharlov |
22 | * Change the signature of EvalLocalPosition() to obey the method virtuality from the parent class | |
23 | * | |
2163a649 | 24 | * Revision 1.25 2007/03/06 06:47:28 kharlov |
25 | * DP:Possibility to use actual vertex position added | |
702ab87e | 26 | */ |
27 | ||
458282ff | 28 | //_________________________________________________________________________ |
29 | // RecPoint implementation for PHOS-CPV | |
30 | // An CpvRecPoint is a cluster of digits | |
6c8cd883 | 31 | //-- Author: Yuri Kharlov |
a3dfe79c | 32 | // (after Dmitri Peressounko (RRC KI & SUBATECH)) |
33 | // 30 October 2000 | |
458282ff | 34 | |
35 | // --- ROOT system --- | |
e957fea8 | 36 | |
458282ff | 37 | #include "TMath.h" |
b5241d61 | 38 | #include "TClonesArray.h" |
458282ff | 39 | |
40 | // --- Standard library --- | |
41 | ||
458282ff | 42 | // --- AliRoot header files --- |
351dd634 | 43 | #include "AliLog.h" |
e957fea8 | 44 | #include "AliPHOSGeometry.h" |
45 | #include "AliPHOSDigit.h" | |
458282ff | 46 | #include "AliPHOSCpvRecPoint.h" |
88cb7938 | 47 | #include "AliPHOSLoader.h" |
e957fea8 | 48 | |
458282ff | 49 | ClassImp(AliPHOSCpvRecPoint) |
50 | ||
51 | //____________________________________________________________________________ | |
3663622c | 52 | AliPHOSCpvRecPoint::AliPHOSCpvRecPoint() : |
53 | AliPHOSEmcRecPoint(), | |
54 | fLengX(-1), | |
55 | fLengZ(-1) | |
458282ff | 56 | { |
57 | // ctor | |
458282ff | 58 | } |
59 | ||
73a68ccb | 60 | //____________________________________________________________________________ |
3663622c | 61 | AliPHOSCpvRecPoint::AliPHOSCpvRecPoint(const char * opt) : |
62 | AliPHOSEmcRecPoint(opt), | |
63 | fLengX(-1), | |
64 | fLengZ(-1) | |
73a68ccb | 65 | { |
66 | // ctor | |
3663622c | 67 | } |
73a68ccb | 68 | |
458282ff | 69 | //____________________________________________________________________________ |
70 | AliPHOSCpvRecPoint::~AliPHOSCpvRecPoint() | |
71 | { | |
72 | // dtor | |
458282ff | 73 | } |
74 | ||
458282ff | 75 | //____________________________________________________________________________ |
ad8cfaf4 | 76 | Bool_t AliPHOSCpvRecPoint::AreNeighbours(AliPHOSDigit * digit1, AliPHOSDigit * digit2 ) const |
458282ff | 77 | { |
78 | // Tells if (true) or not (false) two digits are neighbors) | |
79 | ||
80 | Bool_t aren = kFALSE ; | |
81 | ||
6c8cd883 | 82 | AliPHOSGeometry * phosgeom = AliPHOSGeometry::GetInstance() ; |
ed652fe0 | 83 | |
458282ff | 84 | Int_t relid1[4] ; |
85 | phosgeom->AbsToRelNumbering(digit1->GetId(), relid1) ; | |
86 | ||
87 | Int_t relid2[4] ; | |
88 | phosgeom->AbsToRelNumbering(digit2->GetId(), relid2) ; | |
89 | ||
90 | Int_t rowdiff = TMath::Abs( relid1[2] - relid2[2] ) ; | |
91 | Int_t coldiff = TMath::Abs( relid1[3] - relid2[3] ) ; | |
92 | ||
93 | if (( coldiff <= 1 ) && ( rowdiff <= 1 ) && (coldiff + rowdiff > 0)) | |
94 | aren = kTRUE ; | |
95 | ||
96 | return aren ; | |
97 | } | |
98 | ||
99 | //____________________________________________________________________________ | |
2a941f4e | 100 | Int_t AliPHOSCpvRecPoint::Compare(const TObject * obj) const |
458282ff | 101 | { |
102 | // Compares two RecPoints according to their position in the PHOS modules | |
103 | ||
b5241d61 | 104 | Float_t delta = 1 ; //Width of "Sorting row". If you changibg this |
105 | //value (what is senseless) change as vell delta in | |
106 | //AliPHOSTrackSegmentMakerv* and other RecPoints... | |
107 | ||
458282ff | 108 | Int_t rv ; |
109 | ||
9688c1dd | 110 | AliPHOSCpvRecPoint * clu = (AliPHOSCpvRecPoint *) obj ; |
111 | ||
112 | Int_t phosmod1 = GetPHOSMod() ; | |
113 | Int_t phosmod2 = clu->GetPHOSMod() ; | |
114 | ||
115 | TVector3 locpos1; | |
116 | GetLocalPosition(locpos1) ; | |
117 | TVector3 locpos2; | |
118 | clu->GetLocalPosition(locpos2) ; | |
119 | ||
120 | if(phosmod1 == phosmod2 ) { | |
121 | Int_t rowdif = (Int_t)TMath::Ceil(locpos1.X()/delta)-(Int_t)TMath::Ceil(locpos2.X()/delta) ; | |
122 | if (rowdif> 0) | |
123 | rv = 1 ; | |
124 | else if(rowdif < 0) | |
125 | rv = -1 ; | |
126 | else if(locpos1.Z()>locpos2.Z()) | |
127 | rv = -1 ; | |
128 | else | |
129 | rv = 1 ; | |
130 | } | |
131 | ||
132 | else { | |
133 | if(phosmod1 < phosmod2 ) | |
134 | rv = -1 ; | |
135 | else | |
136 | rv = 1 ; | |
137 | } | |
138 | ||
139 | return rv ; | |
140 | ||
458282ff | 141 | } |
142 | ||
143 | //______________________________________________________________________________ | |
702ab87e | 144 | void AliPHOSCpvRecPoint::ExecuteEvent(Int_t, Int_t, Int_t ) /*const*/ |
458282ff | 145 | { |
b5241d61 | 146 | // // Execute action corresponding to one event |
147 | // // This member function is called when a AliPHOSRecPoint is clicked with the locator | |
148 | // // | |
149 | // // If Left button is clicked on AliPHOSRecPoint, the digits are switched on | |
150 | // // and switched off when the mouse button is released. | |
151 | // // | |
458282ff | 152 | |
b5241d61 | 153 | // // static Int_t pxold, pyold; |
458282ff | 154 | |
88cb7938 | 155 | // AliPHOSLoader * gime = AliPHOSLoader::GetInstance() ; |
458282ff | 156 | |
b5241d61 | 157 | // static TGraph * digitgraph = 0 ; |
458282ff | 158 | |
b5241d61 | 159 | // if (!gPad->IsEditable()) return; |
458282ff | 160 | |
b5241d61 | 161 | // TH2F * histo = 0 ; |
162 | // TCanvas * histocanvas ; | |
458282ff | 163 | |
b5241d61 | 164 | // switch (event) { |
458282ff | 165 | |
b5241d61 | 166 | // case kButton1Down: { |
167 | // AliPHOSDigit * digit ; | |
168 | // AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ; | |
169 | // Int_t iDigit; | |
170 | // Int_t relid[4] ; | |
458282ff | 171 | |
b5241d61 | 172 | // const Int_t kMulDigit = AliPHOSCpvRecPoint::GetDigitsMultiplicity() ; |
173 | // Float_t * xi = new Float_t[kMulDigit] ; | |
174 | // Float_t * zi = new Float_t[kMulDigit] ; | |
458282ff | 175 | |
b5241d61 | 176 | // // create the histogram for the single cluster |
177 | // // 1. gets histogram boundaries | |
178 | // Float_t ximax = -999. ; | |
179 | // Float_t zimax = -999. ; | |
180 | // Float_t ximin = 999. ; | |
181 | // Float_t zimin = 999. ; | |
458282ff | 182 | |
b5241d61 | 183 | // for(iDigit=0; iDigit<kMulDigit; iDigit++) { |
7b7c1533 | 184 | // digit = (AliPHOSDigit *) ( gime->Digit(fDigitsList[iDigit]) ) ; |
b5241d61 | 185 | // phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; |
186 | // phosgeom->RelPosInModule(relid, xi[iDigit], zi[iDigit]); | |
187 | // if ( xi[iDigit] > ximax ) | |
188 | // ximax = xi[iDigit] ; | |
189 | // if ( xi[iDigit] < ximin ) | |
190 | // ximin = xi[iDigit] ; | |
191 | // if ( zi[iDigit] > zimax ) | |
192 | // zimax = zi[iDigit] ; | |
193 | // if ( zi[iDigit] < zimin ) | |
194 | // zimin = zi[iDigit] ; | |
195 | // } | |
196 | // ximax += phosgeom->GetCrystalSize(0) / 2. ; | |
197 | // zimax += phosgeom->GetCrystalSize(2) / 2. ; | |
198 | // ximin -= phosgeom->GetCrystalSize(0) / 2. ; | |
199 | // zimin -= phosgeom->GetCrystalSize(2) / 2. ; | |
200 | // Int_t xdim = (int)( (ximax - ximin ) / phosgeom->GetCrystalSize(0) + 0.5 ) ; | |
201 | // Int_t zdim = (int)( (zimax - zimin ) / phosgeom->GetCrystalSize(2) + 0.5 ) ; | |
458282ff | 202 | |
b5241d61 | 203 | // // 2. gets the histogram title |
458282ff | 204 | |
b5241d61 | 205 | // Text_t title[100] ; |
206 | // sprintf(title,"Energy=%1.2f GeV ; Digits ; %d ", GetEnergy(), GetDigitsMultiplicity()) ; | |
458282ff | 207 | |
b5241d61 | 208 | // if (!histo) { |
209 | // delete histo ; | |
210 | // histo = 0 ; | |
211 | // } | |
212 | // histo = new TH2F("cluster3D", title, xdim, ximin, ximax, zdim, zimin, zimax) ; | |
458282ff | 213 | |
b5241d61 | 214 | // Float_t x, z ; |
215 | // for(iDigit=0; iDigit<kMulDigit; iDigit++) { | |
7b7c1533 | 216 | // digit = (AliPHOSDigit *) ( gime->Digit(fDigitsList[iDigit]) ) ; |
b5241d61 | 217 | // phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; |
218 | // phosgeom->RelPosInModule(relid, x, z); | |
219 | // histo->Fill(x, z, fEnergyList[iDigit] ) ; | |
220 | // } | |
458282ff | 221 | |
b5241d61 | 222 | // if (!digitgraph) { |
223 | // digitgraph = new TGraph(kMulDigit,xi,zi); | |
224 | // digitgraph-> SetMarkerStyle(5) ; | |
225 | // digitgraph-> SetMarkerSize(1.) ; | |
226 | // digitgraph-> SetMarkerColor(1) ; | |
227 | // digitgraph-> Paint("P") ; | |
228 | // } | |
458282ff | 229 | |
b5241d61 | 230 | // Print() ; |
231 | // histocanvas = new TCanvas("cluser", "a single cluster", 600, 500) ; | |
232 | // histocanvas->Draw() ; | |
233 | // histo->Draw("lego1") ; | |
458282ff | 234 | |
b5241d61 | 235 | // delete[] xi ; |
236 | // delete[] zi ; | |
458282ff | 237 | |
b5241d61 | 238 | // break; |
239 | // } | |
458282ff | 240 | |
b5241d61 | 241 | // case kButton1Up: |
242 | // if (digitgraph) { | |
243 | // delete digitgraph ; | |
244 | // digitgraph = 0 ; | |
245 | // } | |
246 | // break; | |
458282ff | 247 | |
b5241d61 | 248 | // } |
458282ff | 249 | } |
250 | ||
251 | //____________________________________________________________________________ | |
e347da7b | 252 | void AliPHOSCpvRecPoint::EvalAll(TClonesArray * digits) |
a4e98857 | 253 | { |
78881c42 | 254 | // Evaluate local coordinate assuming the vertex in (000) and no inclination |
e347da7b | 255 | AliPHOSEmcRecPoint::EvalAll(digits) ; |
ad8cfaf4 | 256 | } |
257 | //____________________________________________________________________________ | |
91daaf24 | 258 | void AliPHOSCpvRecPoint::EvalAll(Float_t logWeight, TVector3 &vtx, TClonesArray * digits) |
259 | { | |
260 | // wraps other methods | |
e347da7b | 261 | TVector3 vInc(0,1,0); |
91daaf24 | 262 | AliPHOSEmcRecPoint::EvalAll(logWeight,vtx,digits) ; |
e347da7b | 263 | EvalLocalPosition(logWeight, vtx, digits,vInc) ; |
264 | EvalClusterLengths(digits) ; | |
91daaf24 | 265 | } |
266 | //____________________________________________________________________________ | |
2163a649 | 267 | void AliPHOSCpvRecPoint::EvalLocalPosition(Float_t logWeight, TVector3 & /*vtx */, TClonesArray * digits, TVector3 &/* vInc */) |
ad8cfaf4 | 268 | { |
269 | // Calculates the center of gravity in the local PHOS-module coordinates | |
270 | ||
ad8cfaf4 | 271 | Float_t wtot = 0. ; |
272 | ||
273 | Int_t relid[4] ; | |
274 | ||
275 | Float_t x = 0. ; | |
276 | Float_t z = 0. ; | |
277 | ||
278 | AliPHOSDigit * digit ; | |
279 | ||
6c8cd883 | 280 | AliPHOSGeometry * phosgeom = AliPHOSGeometry::GetInstance(); |
88cb7938 | 281 | |
ad8cfaf4 | 282 | Int_t iDigit; |
283 | ||
284 | for(iDigit=0; iDigit<fMulDigit; iDigit++) { | |
b5241d61 | 285 | digit = (AliPHOSDigit *) digits->At(fDigitsList[iDigit]); |
ad8cfaf4 | 286 | |
287 | Float_t xi ; | |
288 | Float_t zi ; | |
289 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; | |
290 | phosgeom->RelPosInModule(relid, xi, zi); | |
f33a3764 | 291 | if (fAmp>0 && fEnergyList[iDigit]>0) { |
292 | Float_t w = TMath::Max( 0., logWeight + TMath::Log( fEnergyList[iDigit] / fAmp ) ) ; | |
293 | x += xi * w ; | |
294 | z += zi * w ; | |
295 | wtot += w ; | |
296 | } | |
297 | else | |
298 | AliError(Form("Wrong energy %f and/or amplitude %f\n", fEnergyList[iDigit], fAmp)); | |
ad8cfaf4 | 299 | } |
300 | ||
301 | if (wtot != 0) { | |
302 | x /= wtot ; | |
303 | z /= wtot ; | |
304 | } else { | |
305 | x = -1e6 ; | |
306 | z = -1e6 ; | |
21cd0c07 | 307 | if (fMulDigit != 0) |
351dd634 | 308 | AliWarning(Form("Too low log weight factor to evaluate cluster's center" )) ; |
ad8cfaf4 | 309 | } |
310 | fLocPos.SetX(x) ; | |
311 | fLocPos.SetY(0.) ; | |
312 | fLocPos.SetZ(z) ; | |
313 | ||
314 | } | |
315 | ||
316 | //____________________________________________________________________________ | |
b5241d61 | 317 | void AliPHOSCpvRecPoint::EvalClusterLengths(TClonesArray * digits) |
458282ff | 318 | { |
b5241d61 | 319 | //Modified 15.03.2001 by Dmitri Peressounko |
458282ff | 320 | |
458282ff | 321 | // Calculates the cluster lengths along X and Z axes |
322 | // These characteristics are needed for CPV to tune | |
323 | // digitization+reconstruction to experimental data | |
324 | // Yuri Kharlov. 24 October 2000 | |
325 | ||
458282ff | 326 | Int_t relid[4] ; |
327 | ||
328 | AliPHOSDigit * digit ; | |
329 | ||
6c8cd883 | 330 | AliPHOSGeometry * phosgeom = AliPHOSGeometry::GetInstance(); |
458282ff | 331 | |
a3dfe79c | 332 | const Int_t kMaxLeng=20; |
333 | Int_t idX[kMaxLeng], idZ[kMaxLeng]; | |
b5241d61 | 334 | fLengX = 0; |
335 | fLengZ = 0; | |
458282ff | 336 | Bool_t dejavu; |
337 | ||
338 | for(Int_t iDigit=0; iDigit<fMulDigit; iDigit++) { | |
b5241d61 | 339 | digit = (AliPHOSDigit *) digits->At(fDigitsList[iDigit]) ; |
458282ff | 340 | Int_t absId = digit->GetId(); |
341 | phosgeom->AbsToRelNumbering(absId, relid) ; | |
342 | ||
cd461ab8 | 343 | Int_t i; |
458282ff | 344 | dejavu=kFALSE; |
b5241d61 | 345 | for (i=0; i<fLengX; i++) if (relid[2]==idX[i]) { dejavu=kTRUE; break; } |
458282ff | 346 | if (!dejavu) { |
b5241d61 | 347 | idX[fLengX]=relid[2]; |
348 | fLengX++; | |
349 | fLengX = TMath::Min(fLengX,kMaxLeng); | |
458282ff | 350 | } |
351 | ||
352 | dejavu=kFALSE; | |
b5241d61 | 353 | for (i=0; i<fLengZ; i++) if (relid[3]==idZ[i]) { dejavu=kTRUE; break; } |
458282ff | 354 | if (!dejavu) { |
b5241d61 | 355 | idZ[fLengZ]=relid[3]; |
356 | fLengZ++; | |
357 | fLengZ = TMath::Min(fLengZ,kMaxLeng); | |
458282ff | 358 | } |
359 | } | |
458282ff | 360 | } |
361 | ||
458282ff | 362 | //____________________________________________________________________________ |
702ab87e | 363 | void AliPHOSCpvRecPoint::Print(const Option_t *) const |
458282ff | 364 | { |
365 | // Print the list of digits belonging to the cluster | |
366 | ||
21cd0c07 | 367 | TString message ; |
368 | message = "AliPHOSCpvRecPoint: " ; | |
369 | message += "Digits # " ; | |
351dd634 | 370 | AliInfo(Form(message.Data())) ; |
21cd0c07 | 371 | |
458282ff | 372 | Int_t iDigit; |
458282ff | 373 | |
b5241d61 | 374 | for(iDigit=0; iDigit<fMulDigit; iDigit++) |
351dd634 | 375 | printf(" %d \n", fDigitsList[iDigit]) ; |
458282ff | 376 | |
351dd634 | 377 | printf("Energies: \n") ; |
b5241d61 | 378 | for(iDigit=0; iDigit<fMulDigit; iDigit++) |
351dd634 | 379 | printf(" %f ", fEnergyList[iDigit]) ; |
b5241d61 | 380 | |
21cd0c07 | 381 | message = " Multiplicity = %d\n" ; |
382 | message += " Cluster Energy = %f\n" ; | |
383 | message += " Stored at position %d\n" ; | |
458282ff | 384 | |
351dd634 | 385 | printf(message.Data(), fMulDigit, fAmp, GetIndexInList() ) ; |
21cd0c07 | 386 | |
458282ff | 387 | } |